From eb8625f7744ba5e72b51549adc086e45313267cb Mon Sep 17 00:00:00 2001 From: Matthew Holt Date: Thu, 11 Jul 2019 17:02:57 -0600 Subject: Add error & subroute handlers; weakString; other minor handler changes --- modules/caddyhttp/subroute.go | 60 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 modules/caddyhttp/subroute.go (limited to 'modules/caddyhttp/subroute.go') diff --git a/modules/caddyhttp/subroute.go b/modules/caddyhttp/subroute.go new file mode 100644 index 0000000..9172146 --- /dev/null +++ b/modules/caddyhttp/subroute.go @@ -0,0 +1,60 @@ +// Copyright 2015 Matthew Holt and The Caddy Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package caddyhttp + +import ( + "fmt" + "net/http" + + "github.com/caddyserver/caddy/v2" +) + +func init() { + caddy.RegisterModule(caddy.Module{ + Name: "http.handlers.subroute", + New: func() interface{} { return new(Subroute) }, + }) +} + +// Subroute implements a handler that compiles and executes routes. +// This is useful for a batch of routes that all inherit the same +// matchers, or for routes with matchers that must be have deferred +// evaluation (e.g. if they depend on placeholders created by other +// matchers that need to be evaluated first). +type Subroute struct { + Routes RouteList `json:"routes,omitempty"` +} + +// Provision sets up subrouting. +func (sr *Subroute) Provision(ctx caddy.Context) error { + if sr.Routes != nil { + err := sr.Routes.Provision(ctx) + if err != nil { + return fmt.Errorf("setting up routes: %v", err) + } + } + return nil +} + +func (sr *Subroute) ServeHTTP(w http.ResponseWriter, r *http.Request, _ Handler) error { + subroute := sr.Routes.BuildCompositeRoute(r) + return subroute.ServeHTTP(w, r) +} + +// Interface guards +var ( + _ caddy.Provisioner = (*Subroute)(nil) + _ MiddlewareHandler = (*Subroute)(nil) +) -- cgit v1.2.3